Pressure Swing Adsorption

Pressure Swing Adsorption (PSA) technology was developed in the 1950’s to meet a need for low temperature dewpoint air drying. PSA air dryers

 have beco

me

the most common type of dryers for instrumentation air compressor packages and are found throughout the world for this application. They use no moving parts except for switching valves and are capable of dew points as low as -100 ^oF.

PSA technology has gradually spread to other gas separation processes with great success. In refineries, multi-bed PSA units are capable of efficiently s

eparating pure hydrogen gas from synthesis gas and other similar gas streams. Another well-known PSA application is for the purification of helium gas to greater than

99.999% purity.

Azota has long recognized the potential of this technology in the natural gas processing industry where it has largely been ignored. Areas of application

are the removal of CO₂, the separation of nitrogen gas in small nitrogen rejection applications, and the dehydration of natural gas for further processing. These applications are well served using various treating and cryogenic processes, but a need exists for simpler methods that may be applicable to smaller gas plants.

The untapped potential of this technology for the midstream industry awaits the innovation which Azota has always provided. The technical hurdles for newer applications require the resources of careful engineering and research. Our process engineers have designed our PSA pilot unit which can operate over a very wide range of conditions to produce reliable data for all of the gas separation that need a simpler, better solution.

[ Insert picture(s) of multi-bed psa systems as well as our pilot plant)